DC Generators In case of dc machines, mechanical losses are primary function of Speed None of the listed here Voltage Current Speed None of the listed here Voltage Current ANSWER DOWNLOAD EXAMIANS APP
DC Generators As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 5 percent 25 percent 10 percent 40 percent 5 percent 25 percent 10 percent 40 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Series generator only Shunt generator only None of the listed here Both shunt and compound generator Series generator only Shunt generator only None of the listed here Both shunt and compound generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a four-pole D.C. machine Two north poles follow two south poles All the four poles are south poles Alternate poles are north and south All the four poles are north poles Two north poles follow two south poles All the four poles are south poles Alternate poles are north and south All the four poles are north poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To reduce eddy current losses To amplify voltage To provide mechanical balance for the rotor To enhance flux density To reduce eddy current losses To amplify voltage To provide mechanical balance for the rotor To enhance flux density ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will None of the listed here Excite to one half of full voltage Excite to full voltage Fail to excite None of the listed here Excite to one half of full voltage Excite to full voltage Fail to excite ANSWER DOWNLOAD EXAMIANS APP